.TH hpcg_spmvtest 1 "26 Mar 2014" "Man Page" "Utility Commands"

.SH NAME

hpcg_spmvtest \- SpMV kernel benchmark for high performance conjugate gradient

.SH SYNOPSIS

\fBhpcg_spmvtest\fR \fIl m n iter\fR [\fImatrix_type\fR]

.SH DESCRIPTION

This program computes the matrix-vector multiply of a discretized 
three dimensional Laplacian of size lmn using the twenty-seven point 
central difference scheme, and a vector (1, ..., 1)^T. The FLOPS 
performance is measured as the average of \fIiter\fR iterations. 
If necessary, one of the following values can be specified by \fImatrix_type\fR:
.IP "0"
Measure the performance for the available matrix storage formats
.IP "1-11"
The number of the matrix storage format
.PP
The values \fIl\fR, \fIm\fR and \fIn\fR represent the numbers of the grid points in each dimension.
See Lis User Guide for more information.

.SH EXIT STATUS

The following exit values are returned:
.IP "0"
The process is normally terminated
.IP "unspecified"
An error occurred

.SH SEE ALSO

.BR lis (3),
.BR lsolve (1),
.BR esolve (1),
.BR hpcg_kernel (1)
.BR spmvtest1 (1),
.BR spmvtest2 (1),
.BR spmvtest2b (1),
.BR spmvtest3 (1),
.BR spmvtest3b (1),
.BR spmvtest4 (1),
.BR spmvtest5 (1)
.PP
http://www.ssisc.org/lis/

